
Supply Products Nano Tungsten Trioxide Details Grain Size: 50nm Quantity:1,000.00KG Price:75.00 USD/KG EXW,?XIAMEN,?CHINA Payment:T/T in advance Delivery Time: in 20 working days Note: Re-check when quantity changed Contact Tel.:+86 592 512 9595??+86 592 512 9696 Fax.:+86 592 512 9797 Email:sales@chinatungsten.com/sales@xiamentungsten.com